Title:
CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/004244
Kind Code:
A1
Abstract:
The present invention relates to a control valve for a variable displacement compressor, comprising: a body having a receiving space formed therein, in which a first port communicating with a crank chamber of the variable displacement compressor, a second port communicating with a discharge chamber of the variable displacement compressor, and a third port communicating with a suction chamber of the variable displacement compressor are formed; a valve body having a first valve portion formed thereon and being installed to be movable forward and backward; a plunger of a magnetic material fixed to the valve body; a coil for moving the plunger forward and backward; and a pressure sensitive body for correcting a forward and backward displacement of the valve body according to a pressure change of the suction chamber transmitted through the third port, wherein the plunger is installed outside the coil, and a magneto-dielectric of a non-magnetic material for inducing a magnetic force may be installed between the coil and the plunger.
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Inventors:
GUK MU SUNG (KR)
HONG TAE HO (KR)
HWANG SEONG HWAN (KR)
KANG DONG SOO (KR)
PARK JANG SIK (KR)
HONG TAE HO (KR)
HWANG SEONG HWAN (KR)
KANG DONG SOO (KR)
PARK JANG SIK (KR)
Application Number:
PCT/KR2017/006806
Publication Date:
January 04, 2018
Filing Date:
June 28, 2017
Export Citation:
Assignee:
DONG IL MACHINERY CO LTD (KR)
International Classes:
F04B27/14; F04B53/10; F16K31/06; H01F7/16
Foreign References:
KR20060043852A | 2006-05-15 | |||
KR20160024035A | 2016-03-04 | |||
KR20150006407A | 2015-01-16 | |||
KR101370736B1 | 2014-03-10 | |||
JP2005273548A | 2005-10-06 |
Attorney, Agent or Firm:
KIM, Han et al. (KR)
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